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प्रश्न
State one factor on which the magnitude of a non-contact force depends. How does the magnitude of a non-contact force change along with distance?
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उत्तर
The magnitude of a non-contact force depends on distance. If the magnitude of a non-contact force increasing then distance decreasing.
संबंधित प्रश्न
A half metre rod is pivoted at the centre with two weights of 20gf and 12gf suspended at a perpendicular distance of 6 cm and 10 cm from the pivot respectively as shown below.
1) Which of the two forces acting on the rigid rod causes clockwise moment?
2) Is the rod in equilibrium?
3) The direction of 20 kgf force is reversed. What is the magnitude of the resultant moment of the forces on the rod?
Moment of force = force × perpendicular distance of force – from the pivoted point.
State the S.I. unit of moment of force.
What do you mean by the clockwise and anti-clockwise moment of force?
A body X of mass 5 kg is moving with velocity 20 m s-2 while another body Y of mass 20 kg is moving with velocity 5 m S-1. Compare the momentum of the two bodies.
A uniform metre rule of weight 10gf is pivoted at its 0 mark.
What moment of force depresses the rule?
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.
State two factors affecting the turning effect of a force.
Two similar vehicles are moving with the same velocity on the road, such that one of thus is loaded and the other one is empty which of the two vehicles will require larger force to stop?
